BE872467A - PROCESS FOR PREPARING LACTONE FROM 17-HYDROXY-3-OXO-17-PREGNA-4 ACID - Google Patents

PROCESS FOR PREPARING LACTONE FROM 17-HYDROXY-3-OXO-17-PREGNA-4 ACID

Info

Publication number: BE872467A
Authority: BE; Belgium
Prior art keywords: pregna; oxo; hydroxy; acid; preparing lactone
Prior art date: 1977-12-02

Application number

BE192095A

Other languages

French (fr)

Original Assignee

Searle & Co

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1977-12-02

Filing date

1978-12-01

Publication date

1979-06-01

1978-12-01 Application filed by Searle & Co filed Critical Searle & Co

1979-06-01 Publication of BE872467A publication Critical patent/BE872467A/en

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J21/00—Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero ring spiro-condensed with the cyclopenta(a)hydrophenanthrene skeleton
- C07J21/001—Lactones
- C07J21/003—Lactones at position 17

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Health & Medical Sciences (AREA)
General Health & Medical Sciences (AREA)
Steroid Compounds (AREA)
Pyrrole Compounds (AREA)
Hydrogenated Pyridines (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

BE192095A 1977-12-02 1978-12-01 PROCESS FOR PREPARING LACTONE FROM 17-HYDROXY-3-OXO-17-PREGNA-4 ACID BE872467A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/856,886 US4155906A (en)	1977-12-02	1977-12-02	Process for preparing steroidal 3-oxo-4,6-dienes such as 17-hydroxy-3-oxo-17α-pregna-4,6-diene-21-carboxylic acidγ-lactone

Publications (1)

Publication Number	Publication Date
BE872467A true BE872467A (en)	1979-06-01

Family

ID=25324710

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE192095A BE872467A (en)	1977-12-02	1978-12-01	PROCESS FOR PREPARING LACTONE FROM 17-HYDROXY-3-OXO-17-PREGNA-4 ACID

Country Status (8)

Country	Link
US (1)	US4155906A (en)
JP (1)	JPS5495554A (en)
BE (1)	BE872467A (en)
DE (1)	DE2852145A1 (en)
FR (1)	FR2410659A1 (en)
GB (1)	GB2010277A (en)
IT (1)	IT1158153B (en)
NL (1)	NL7811806A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5655400A (en) *	1979-10-12	1981-05-15	Mitsubishi Chem Ind Ltd	Improved preparation process of 4,6-dien-3-one steroid
CN104327150B (en) *	2014-09-11	2016-08-24	浙江神洲药业有限公司	A kind of synthetic method of spironolactone intermediate canrenone

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2216276B1 (en) *	1973-02-06	1976-11-05	Roussel Uclaf

1977
- 1977-12-02 US US05/856,886 patent/US4155906A/en not_active Expired - Lifetime
1978
- 1978-11-30 FR FR7833885A patent/FR2410659A1/en not_active Withdrawn
- 1978-12-01 BE BE192095A patent/BE872467A/en unknown
- 1978-12-01 JP JP14894678A patent/JPS5495554A/en active Pending
- 1978-12-01 GB GB7846883A patent/GB2010277A/en not_active Withdrawn
- 1978-12-01 NL NL7811806A patent/NL7811806A/en not_active Application Discontinuation
- 1978-12-01 IT IT52164/78A patent/IT1158153B/en active
- 1978-12-01 DE DE19782852145 patent/DE2852145A1/en not_active Withdrawn

Also Published As

Publication number	Publication date
JPS5495554A (en)	1979-07-28
FR2410659A1 (en)	1979-06-29
NL7811806A (en)	1979-06-06
GB2010277A (en)	1979-06-27
DE2852145A1 (en)	1979-06-07
IT1158153B (en)	1987-02-18
IT7852164A0 (en)	1978-12-01
US4155906A (en)	1979-05-22

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